9439791221134 has 4 divisors (see below), whose sum is σ = 14159686831704. Its totient is φ = 4719895610566.

The previous prime is 9439791221123. The next prime is 9439791221149. The reversal of 9439791221134 is 4311221979349.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2359947805282 + ... + 2359947805285.

It is an arithmetic number, because the mean of its divisors is an integer number (3539921707926).

Almost surely, 2^{9439791221134} is an apocalyptic number.

9439791221134 is a deficient number, since it is larger than the sum of its proper divisors (4719895610570).

9439791221134 is a wasteful number, since it uses less digits than its factorization.

9439791221134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719895610569.

The product of its digits is 2939328, while the sum is 55.

The spelling of 9439791221134 in words is "nine trillion, four hundred thirty-nine billion, seven hundred ninety-one million, two hundred twenty-one thousand, one hundred thirty-four".